Home / 776,830.77-1,164,779.60-303,738.93

Finding the Fourth Proportional to 776,830.77, 1,164,779.60 and 303,738.93

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Solution

The fourth proportional to 776,830.77, 1,164,779.60 and 303,738.93 is: 455,425.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,830.77 : 1,164,779.60 = 303,738.93 : x
  2. Step 2: Convert to fraction form
    776,830.77/1,164,779.60 = 303,738.93/x
  3. Step 3: Cross multiply
    776,830.77x = 1,164,779.60 × 303,738.93
  4. Step 4: Simplify right side
    776,830.77x = 353,788,907,871.13
  5. Step 5: Solve for x
    x = 353,788,907,871.13/776,830.77
  6. Step 6: Final answer
    x = 455,425.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.